import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Scanner;

public class test1 {
    //将一个数组的值都扩大二倍
   /* public static void main(String[] args) {
        int [] array = {1,2,3,4};
        System.out.println(Arrays.toString(array));
        transform(array);
        System.out.println(Arrays.toString(array));
    }
    public static void transform(int[] array){
        for (int i = 0; i < array.length ; i++) {
            array[i] = array[i] * 2;
        }
    }
*/

    public static void main(String[] args) {
        
    }
}
